cumulonimbus in bergueda mountains, barcelona, northern spain

heaven weather sky storm thunderstorm stormy cloud cloudscape cloudy cumulonimbus majestic overcast day fabulous light environment natural big condensation lost altocumulus nature atmosphere white formation dark meteorology ghostly blue fortress sunlight palace fantastic atmospheric sunny danger overcloud thundercloud thunder dramatic sun thundery mountain mountains pirineus pirineos pyrenees spain catalonia barcelona bergueda northern